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US Patent: 3,934,657
Dual safety control means for a power tool
Patentee:
Irvin R. Danielson - Burr Ridge, IL

USPTO Classifications:
173/169, 415/904, 418/270, 451/359

Tool Categories:

Assignees:
Thor Power Tool Co. - Aurora, IL

Manufacturer:
Thor Power Tool Co. - Aurora, IL

Witnesses:
Unknown

Patent Dates:
Applied: Aug. 01, 1974
Granted: Jan. 27, 1976

Patent Pictures:
USPTO pdf tiff
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"Vintage Machinery" entry for Thor Power Tool Co.
Description:
"A safety control means for a portable power tool, such as a pneumatically driven hand grinder..."

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